code: def datetime_is_naive(dateTime):
      """Returns True if dateTime is naive."""
      return (
          dateTime.tzinfo is None
          or dateTime.tzinfo.utcoffset(dateTime) is None
      )
  
file_path: pyalgotrade/pyalgotrade/utils/dt.py
imports: import datetime
  import pytz
label_desc: Use image node_id 1 for calling a global function with example usage: datetime_is_naive(dateTime) and returns: unknown